Alloy 1440

Designation

Name The value
Designation GOST Cyrillic 1440
Designation GOST Latin 1440
Transliteration 1440
By chemical elements 1440

Description

The alloy-1440 is used: for the manufacture of semi-finished products and parts of the power elements of the aircraft.

Note

The alloy system Al-Mg-Li-Cu. The alloy is recommended as a substitute for alloys D16, and AK8.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 OST 1 90048-90

Chemical composition

Standard Mn Cr Si Fe Cu Al Ti Zn Zr Mg Be Na Li
OST 1 90048-90 ≤0.05 ≤0.05 0.02-0.1 0.03-0.15 1.2-1.9 Rest 0.02-0.1 ≤0.1 0.1-0.2 0.6-1.1 0.05-0.2 ≤0.003 2.1-2.6
Al is the base.
According to OST 1 90048-90 mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%. Beryllium is not determined by chemical analysis, but is introduced by calculation.

Physical characteristics

Temperature Е, HPa r, kg/m3
20 80 2560

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density